package com.nyx.bot.common.core;

import com.nyx.bot.common.exception.ServiceException;
import com.nyx.bot.enums.HttpCodeEnum;
import com.nyx.bot.modules.system.entity.SysUser;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

public class SecurityUtils {
    /**
     * 用户ID
     **/
    public static Long getUserId() {
        try {
            return getLoginUser().getUserId();
        } catch (Exception e) {
            throw new ServiceException("获取用户ID异常", HttpCodeEnum.UNAUTHORIZED.getCode());
        }
    }


    /**
     * 获取用户账户
     **/
    public static String getUsername() {
        try {
            return getLoginUser().getUserName();
        } catch (Exception e) {
            throw new ServiceException("获取用户账户异常", HttpCodeEnum.UNAUTHORIZED.getCode());
        }
    }

    /**
     * 获取用户
     **/
    public static SysUser getLoginUser() {
        try {
            Object object = getAuthentication().getPrincipal();
            SysUser user = new SysUser();
            if (object instanceof User) {
                user.setUserName(((User) object).getUsername());
            }
            return user;
        } catch (Exception e) {
            throw new ServiceException("获取用户信息异常", HttpCodeEnum.UNAUTHORIZED.getCode());
        }
    }

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication() {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword     真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

    /**
     * 是否为管理员
     *
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin(Long userId) {
        return userId != null && 1L == userId;
    }

}
